Service difficulty report · Valve · Boeing 767306

Difficulty date
March 27, 2018
Submitted
April 6, 2018
Operation
Air carrier
Aircraft
N1427A
Make and model
Boeing 767306
Aircraft serial
28098
Aircraft time
76,471 hours, 15,947 cycles
Part
Valve
Part number
97980612
Part serial
2315C
Condition
Malfunctioned
Location
Apu
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

PNEMATIC DUCT PRESSURE LOW DURING ON THE LT ENGINE START. REPLACED THE APU SURGE VALVE IAW AMM 49-53-01-004-001, AND 49-53-01-404-010, REV 123. OPS CHECKED NORMAL.